JP3303739B2 - 内燃機関の空燃比制御方法 - Google Patents

内燃機関の空燃比制御方法

Info

Publication number
JP3303739B2
JP3303739B2 JP24693997A JP24693997A JP3303739B2 JP 3303739 B2 JP3303739 B2 JP 3303739B2 JP 24693997 A JP24693997 A JP 24693997A JP 24693997 A JP24693997 A JP 24693997A JP 3303739 B2 JP3303739 B2 JP 3303739B2
Authority
JP
Japan
Prior art keywords
fuel ratio
value
cylinder
crank angle
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP24693997A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10231748A (ja
Inventor
信之 柴垣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP24693997A priority Critical patent/JP3303739B2/ja
Priority to EP97122257A priority patent/EP0849456B1/de
Priority to DE69730578T priority patent/DE69730578T2/de
Priority to US08/992,342 priority patent/US6155232A/en
Publication of JPH10231748A publication Critical patent/JPH10231748A/ja
Priority to US09/495,179 priority patent/US6135089A/en
Application granted granted Critical
Publication of JP3303739B2 publication Critical patent/JP3303739B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1497—With detection of the mechanical response of the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1497—With detection of the mechanical response of the engine
    • F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1002—Output torque
    • F02D2200/1004—Estimation of the output torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1015—Engines misfires
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/50—Input parameters for engine control said parameters being related to the vehicle or its components
    • F02D2200/501—Vehicle speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
    • F02D2200/702—Road conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
JP24693997A 1996-12-19 1997-09-11 内燃機関の空燃比制御方法 Expired - Fee Related JP3303739B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP24693997A JP3303739B2 (ja) 1996-12-19 1997-09-11 内燃機関の空燃比制御方法
EP97122257A EP0849456B1 (de) 1996-12-19 1997-12-17 Verfahren zur Steuerung des Luft-Kraftstoffverhältnisses in einer Brennkraftmaschine
DE69730578T DE69730578T2 (de) 1996-12-19 1997-12-17 Verfahren zur Steuerung des Luft-Kraftstoffverhältnisses in einer Brennkraftmaschine
US08/992,342 US6155232A (en) 1996-12-19 1997-12-17 Method of controlling an air-fuel ratio of an engine
US09/495,179 US6135089A (en) 1996-12-19 2000-02-01 Method of controlling an air-fuel ratio of an engine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8-339974 1996-12-19
JP33997496 1996-12-19
JP24693997A JP3303739B2 (ja) 1996-12-19 1997-09-11 内燃機関の空燃比制御方法

Publications (2)

Publication Number Publication Date
JPH10231748A JPH10231748A (ja) 1998-09-02
JP3303739B2 true JP3303739B2 (ja) 2002-07-22

Family

ID=26537986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24693997A Expired - Fee Related JP3303739B2 (ja) 1996-12-19 1997-09-11 内燃機関の空燃比制御方法

Country Status (4)

Country Link
US (2) US6155232A (de)
EP (1) EP0849456B1 (de)
JP (1) JP3303739B2 (de)
DE (1) DE69730578T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07189795A (ja) * 1993-12-28 1995-07-28 Hitachi Ltd 自動車の制御装置及び制御方法
JP3216577B2 (ja) * 1997-07-22 2001-10-09 トヨタ自動車株式会社 内燃機関の空燃比制御方法
JP2000352347A (ja) * 1999-06-09 2000-12-19 Suzuki Motor Corp エンジン制御装置
KR100404773B1 (ko) * 2000-03-21 2003-11-07 도요다 지도샤 가부시끼가이샤 전자구동밸브를 가지는 내연기관
DE10231951A1 (de) * 2001-07-16 2003-04-24 Denso Corp Steuervorrichtung für eine Verbrennungskraftmaschine
JP4170345B2 (ja) * 2006-01-31 2008-10-22 三菱電機株式会社 内燃機関の高圧燃料ポンプ制御装置
JP4314250B2 (ja) * 2006-05-23 2009-08-12 トヨタ自動車株式会社 車両用の路面判定装置
JP5402982B2 (ja) * 2011-05-12 2014-01-29 トヨタ自動車株式会社 内燃機関の異常判定装置
JP5804193B2 (ja) * 2012-03-28 2015-11-04 トヨタ自動車株式会社 悪路判定装置
US10731582B2 (en) * 2016-11-16 2020-08-04 GM Global Technology Operations LLC Determination of engine parameter based on determining a metric over three or more cylinder combustion cycles
JP7392672B2 (ja) * 2021-01-29 2023-12-06 トヨタ自動車株式会社 内燃機関の失火検出装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60596A (ja) * 1983-06-16 1985-01-05 株式会社デンソー 路面状態識別装置
JPH0733809B2 (ja) * 1984-06-27 1995-04-12 株式会社日本自動車部品総合研究所 内燃機関の出力変動測定方法
DE4013943A1 (de) * 1989-05-01 1990-11-08 Toyota Motor Co Ltd Verfahren und einrichtung zum unterdruecken von ruckschwingungen eines kraftfahrzeugs
US5269178A (en) * 1990-12-10 1993-12-14 Sensortech, L.P. Engine misfire, knock of roughness detection method and apparatus
US5277287A (en) * 1990-12-20 1994-01-11 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Direct-coupling clutch control method for an automatic transmission
JPH07107426B2 (ja) * 1990-12-20 1995-11-15 三菱自動車工業株式会社 自動変速装置の直結制御方法
GB9200920D0 (en) * 1992-01-16 1992-03-11 Lucas Ind Plc Method of and an apparatus for misfire and rough road detection
DE4215938C2 (de) * 1992-05-14 2002-10-31 Bosch Gmbh Robert Aussetzererkennungssystem bei einem Verbrennungsmotor
WO1993025810A1 (en) * 1992-06-09 1993-12-23 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Method of detecting misfire by utilizing variation of rotation of crankshaft
JPH06249026A (ja) * 1993-02-23 1994-09-06 Unisia Jecs Corp 車両用内燃機関の空燃比制御装置
JPH0733809A (ja) * 1993-07-16 1995-02-03 Toyo Ink Mfg Co Ltd 光開始剤組成物および被覆組成物
JP3381179B2 (ja) * 1993-10-05 2003-02-24 株式会社日立製作所 車両状態検出装置及び検出方法
JP2864976B2 (ja) * 1993-12-22 1999-03-08 三菱自動車工業株式会社 内燃機関の燃焼状態制御装置
US5687692A (en) * 1993-12-21 1997-11-18 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Combustion state determination method of internal combustion engine, as well as combustion state control method and combustion state control system for internal combustion engine
JPH07189795A (ja) * 1993-12-28 1995-07-28 Hitachi Ltd 自動車の制御装置及び制御方法
JP2874549B2 (ja) * 1994-03-31 1999-03-24 三菱自動車工業株式会社 希薄燃焼内燃機関を搭載した車両における悪路対応方法
JP3085079B2 (ja) * 1994-03-31 2000-09-04 三菱自動車工業株式会社 希薄燃焼内燃機関を搭載した車両における悪路判定方法
US5694901A (en) * 1994-03-31 1997-12-09 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Method for the determination of rough road in vehicle with internal combustion engine mounted thereon
JP2964869B2 (ja) * 1994-04-14 1999-10-18 三菱自動車工業株式会社 希薄燃焼内燃機関を搭載した車両における悪路対応方法
EP0811758B1 (de) * 1996-06-04 2003-11-05 Toyota Jidosha Kabushiki Kaisha Verfahren zur Steuerung des Luft-Kraftstoffverhältnisses in einer Brennkraftmaschine

Also Published As

Publication number Publication date
EP0849456A3 (de) 1999-11-10
US6155232A (en) 2000-12-05
JPH10231748A (ja) 1998-09-02
DE69730578T2 (de) 2005-02-03
EP0849456B1 (de) 2004-09-08
DE69730578D1 (de) 2004-10-14
US6135089A (en) 2000-10-24
EP0849456A2 (de) 1998-06-24

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